PATH Gaming is a new research tool which allows one to investigate the possible paths connecting the present day strategic environment with a preferred one in the future. This analysis is conducted within the planning process. This tool helps decision-makers better understand the complex interrelationships among the critical variables which affect the long-term consequences of current decisions. This report is intended to aid the potential users of path gaming in determining whether this tool is appropriate for their specific application and then in determining the gaming format best suited for their needs. Four path gaming formats are described: Mini-games, one-day games, multi-day games, and extended games. A series of guide-lines are offered to help choose a gaming format. Keywords: PATH gaming, Games, Decision-making, Computer aided decision making.